On Fortune's Wheel was published five years after Jackaroo. In this novel Birle, the granddaughter of Gwyn and Burl, lives an equally adventurous life.

Because her grandparents had taught her to read and write, Birle is able to survive when she is sold as a slave and serves as secretary and scribe for her master. When Birle meets the grandfather of Orien, the young Earl that she will marry, she discovers he knew her grandparents. The old man is Gaderian, now an elderly ruler, who remembers Gwyn, the young girl who saved his life. The most recent addition to this series of loosely connected novels is The Wings of a Falcon. In this adventure story, the hero, Oriel, meets Beryl, the granddaughter of Birle and Orien. By the end of the novel, Beryl has become the wife of the Earl of Sutherland, the role which her...